Adjustable punching mechanism

An adjustable, hole-end technology, applied in the field of adjustable punching mechanisms, can solve problems such as low punching efficiency, and achieve the effects of easy promotion and use, flexible action, and low production and maintenance costs.

Active Publication Date: 2015-12-02
GUANGXI UNIV
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AI-Extracted Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an adjustable punching mechanism, ...
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Abstract

The invention discloses an adjustable punching mechanism which comprises a main board, a punching needle, a rotary wheel, a cam driven element and a triangular rod. The main board is provided with a drive end and a punching end; the punching needle is arranged at the punching end through a slider in an up-down sliding mode; the rotary wheel is arranged at the drive end in a rotary mode, and the rotary wheel is provided with a plurality of position-adjustable cams. Flanges of the cams can be adjusted in the peripheral direction extending out of the rotary wheel, and the cams can be fixed through fixing assemblies. The cam driven element is hinged to the main board, one end of the cam driven element is limited to the position where the cam driven element can be clamped to the flanges of the cams through an elastic device, and the other end of the cam driven element is provided with a sliding groove. The triangular rod is hinged to the main board. One end of the triangular rod is arranged in the sliding groove in a sliding mode, and the other end of the triangular rod is movably connected with the slider through an ejector rod. By means of the mechanism, circulating punching can be carried out, the sizes of materials to be punched are not limited, material punching can be continuously conducted, and punching efficiency is high.

Application Domain

Metal working apparatus

Technology Topic

Driven elementCam +3

Image

  • Adjustable punching mechanism
  • Adjustable punching mechanism
  • Adjustable punching mechanism

Examples

  • Experimental program(1)

Example Embodiment

[0021] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
[0022] Unless otherwise expressly stated otherwise, throughout the specification and claims, the term "comprising" or its transformations such as "including" or "including" will be understood to include the stated elements or components, and not Other elements or other components are not excluded.
[0023] Such as Figure 1 to Figure 3 As shown, an adjustable punching mechanism according to a specific embodiment of the present invention includes: a main board 1, a punching pin 12, a runner 2, a cam 3, a cam follower 6 and a triangle rod 8; There are a driving end and a punching end; the punching needle 12 is provided on the punching end in a manner capable of sliding up and down through the slider 10, for example, a slide rail 11 is provided at the punching end, and the slide block 10 is provided on the slide rail 11 and can Sliding up and down along it, as a preferred design, the slider 10 and the slide rail 11 have four contact sections, two contact sections on each side, which can effectively enhance the smoothness of its sliding; the runner 2 is on the drive end in a rotatable manner The runner 2 is provided with a plurality of cams 3 capable of adjusting positions. Preferably, the plurality of cams 3 are evenly distributed along the circumference of the runner 2, and the flange of the cam 3 can be adjusted in the direction extending out of the periphery of the runner 2, and The cam 3 can be fixed by a fixing assembly. The structure of the adjustment is designed such that the cam 3 is hinged on the runner 2, and the cam 3 and the runner 2 are respectively provided with corresponding crescent grooves 5, and the cam 3 can be along the crescent The groove 5 extends out of the periphery of the runner 2 and can be adjusted as required. In this embodiment, the fixing component is a bolt 4, and the bolt 4 passes through the corresponding crescent groove 5 to fix the cam 3; the cam follower 6 is hinged to the main board 1. One end of the cam follower 6 is restricted by an elastic device 13 to a position where it can be locked with the flange of the cam 3, and the other end is provided with a longitudinal slide groove 7, and the elastic device 13 can be a spring ; The triangular rod 8 is hinged on the main board 1, one end of the triangular rod 8 is slidably arranged in the chute 7, and the other end is movably connected with the slider 10 through a top rod 9; wherein, when the runner 2 rotates , The flange of the cam 3 gives a thrust to one end of the cam follower 6, so that the other end of the cam follower 6 drives the triangle rod 8 to rotate, so that the triangle rod 8 drives the jack 9 to drive the slider 10 to slide up and down to drive the drive The hole needle 12 punches holes.
[0024] Before the device works, the punching needle 12 should be in the upper limit position to facilitate the workpiece to be punched into the punching process position, then loosen the bolt 4, adjust the degree of the flange of the cam 3 out of the runner 2 and fix it Next, the runner 2 rotates, and the part of the cam 3 protruding from the runner 2 at the position closest to the center of the runner contacts the cam follower 6. At this time, the triangle rod 8 rotates under the action of the cam follower 6, and the jack 9 The slider 10 and the punching needle 12 are driven to move to the upper limit position to prepare for work.
[0025] After the workpiece is in place, the runner 2 is started, and the runner 2 can be driven by a power device such as a motor. It is not described in this embodiment. The cam 3 pushes the cam follower 6 to rotate, and one end of the triangle rod 8 is on the cam follower 6. Sliding in the chute 7, the triangle rod 8 rotates while driving the top rod 9 to push the front end of the slider 10, so that the slider 10 moves forward along the slide rail 11. Under the action of the slider, the punching needle 12 extends forward to punch the workpiece After the punching action is completed, the punching needle will return to the top of the slide rail 11 again with the rotation of the triangle rod 8 and the top rod 9 moving up, and then the next workpiece to be punched enters the station, because circular punching can be performed, and no The size of the punched material is limited, and the material can be punched continuously, which makes the punching efficiency higher.
[0026] The foregoing description of specific exemplary embodiments of the present invention is for the purpose of illustration and illustration. These descriptions are not intended to limit the invention to the precise form disclosed, and it is obvious that many changes and changes can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can realize and use various exemplary embodiments of the present invention and various different Choice and change. The scope of the present invention is intended to be defined by the claims and their equivalents.

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Description & Claims & Application Information

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